1629996844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^2$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 3452537088

約数和(自身を除く): 1822540244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 131, 139, 161, 262, 278, 322, 524, 556, 644, 917, 973, 1834, 1946, 3013, 3197, 3668, 3892, 6026, 6394, 12052, 12788, 18209, 19321, 21091, 22379, 36418, 38642, 42182, 44758, 72836, 77284, 84364, 89516, 127463, 135247, 254926, 270494, 418807, 444383, 509852, 540988, 837614, 888766, 1675228, 1777532, 2531051, 2931649, 3110681, 5062102, 5863298, 6221362, 10124204, 11726596, 12442724, 17717357, 35434714, 58214173, 70869428, 116428346, 232856692, 407499211, 814998422, 1629996844]

約数ペア:

[(1, 1629996844), (2, 814998422), (4, 407499211), (7, 232856692), (14, 116428346), (23, 70869428), (28, 58214173), (46, 35434714), (92, 17717357), (131, 12442724), (139, 11726596), (161, 10124204), (262, 6221362), (278, 5863298), (322, 5062102), (524, 3110681), (556, 2931649), (644, 2531051), (917, 1777532), (973, 1675228), (1834, 888766), (1946, 837614), (3013, 540988), (3197, 509852), (3668, 444383), (3892, 418807), (6026, 270494), (6394, 254926), (12052, 135247), (12788, 127463), (18209, 89516), (19321, 84364), (21091, 77284), (22379, 72836), (36418, 44758), (38642, 42182)]